AAAS US Presidential Candidates' Forum
...ked for a balanced research support portfolio, put changing stem cell policy near the top, and promised to elevate the Science Adviser position to its former status as Assistant to the President for Science and Technology." Responding to the question of climate change, Kerry wrote that "the scientific evidenc...Plants will not save us from greenhouse gases
...hed in the September 30 issue of Nature , suggest changing conditions in the earth's atmosphere may have more harmful effects on plant life than previously believed. The research, led by McGill University biologist Graham Bell, looked at the response of algae to high carbon dioxide concentrations. Their find...New research shows plants can shuffle and paste gene pieces to generate genetic diversity
...or gene variants that help a population adapt to a changing environment, for example, or to inhabit a differen... novelty that is necessary for them to cope with a changing world. Thus, instead of being beasts of burden, Pack-MULEs may serve rice as a tool of evolut...Study: Emission of smog ingredients from trees is increasing rapidly
...se taken in the 1990s to determine how levels were changing over time. They found that areas where farmland has been abandoned during the last century have early generations of trees that produce higher levels of VOCs than older growth forests. In the South, pine plantations used for their fast-growing suppli...Researchers create nanotubes that change colors, form 'nanocarpet' and kill bacteria
...e tubes display sensitivity to different agents by changing color and can be trained to kill bacteria, such as E. coli, with just a jab to its cell membrane. How a mere single-step synthesis of a hydrocarbon and a simple salt compound produced these unique nanotube structures with antimicrobial capability is...March of Dimes statement on newborn screening report
...ed families. Newborn screening is a rapidly changing field. We know that expert opinion on newborn screening will continue to evolve as medical evidence mounts, and we stand ready to update our recommendations to the states and to the public. Likewise, we urge that the ACMG report be periodically upd...Poplar DNA code cracked -- a step in combating global warming?
...rowth with the seasons, and to adapt themselves to changing environmental conditions. They have these vital properties, because they must be able to survive for many years in the same location. Knowledge of the genome of the poplar (Populus trichocarpa) allows researchers to look for the genes - DNA codes for...A novel, safer strategy for regulating gene expression
...of a therapeutically useful protein in response to changing concentrations of chemicals in cells. For instanc...ir own gene activity, by "sensing" and reacting to changing levels of natural compounds in their environment. Scientists have theorized that these ribozymes mi...Termites could hold the key to self-sufficient buildings
...elf-regulating living environment that responds to changing internal and external conditions. A multidisciplinary team of engineers and entomologists* is looking at whether similar principles could be used to design buildings that need few or no mechanical services (e.g. heating and ventilation) and so use le...Images of 'tail' of protein needed for cell multiplication suggest anticancer drug targets
...he need for cells to be able to react swiftly to a changing environment, according to Martine Roussel, Ph.D., ...er. "Cells must be able to respond quickly to the changing demands and cues of their internal and external environments," Roussel said. "Often, the best way to...New dye directly reveals activated proteins in living cells
...ed makes it possible to dramatically visualize the changing activation and intracellular location of the protein Cdc42. The novel dyes open new possibilities for screening the molecular effects of drugs within the living cell. Currently, automated "high throughput" drug assays are conducted on thousands of ce...Natural mineral locks up carbon dioxide
...lly slow. Now, a team of Penn State researchers is changing serpentine so that it sequesters the carbon dioxide from fossil fuel burning in hours, not eons. "Serpentine naturally sequesters carbon dioxide over geologic time, but it is too slow to help us," says Dr. M. Mercedes Maroto-Valer, assistant professo...UCSD biologists develop 'super-endurance' strain of mice
...ssor of biology at UCSD, who headed the study. "By changing the way skeletal muscles respond to low-oxygen levels, we've developed muscles that appear to be superiorly adapted or trained for long bouts of submaximal aerobic exercise. But these muscles also become damaged more easily than normal muscles during...Synthesized molecules studied as weapon to stop cell division in cancer cells
...hape determines biological function. Pin1 works by changing a peptide bond within Cdc25 from the trans shape (a flattened-Z shape) to the cis U-shape and back. This a simple change -- the swing of an arm one way or another to open or close the U results in a large conformation change in a protein. The resea...Genetically-engineered 'marathon mouse' keeps on running
...ume of blood. "So, it was not at all obvious that changing one gene in muscle would lead to coordinated chang... complicated system can be coordinately changed by changing just one part. It also shows that it can be changed genetically, without exercise itself. This means...Virus known for its photo ops makes its movie screen debut
...n as the baseplate, to shape-shift by dramatically changing the configuration of the numerous proteins that fo...complex motion, opening like a flower's petals and changing shape from a hexagon to a star. "We can now visualize how these proteins move together, which means...Gene duplication allowed pigs to have more babies
...biological meaning on the detailed analysis of the changing structure of isolated biological molecules, studied in a reductionist setting. To do so, however, natural history must be connected to the physical and molecular sciences, both in subject matter and in culture."...Technology already exists to stabilize global warming
...t million years show that various factors, such as changing carbon dioxide levels, tend to reinforce each other and cause the temperature "to switch all at once" as it has during previous ice ages, Pacala said. "We understand those feedback mechanisms somewhat, but not completely, and that is scary." ...Size does matter when choosing a mate
...n the sizes of the sexes increases, explaining the changing ratios identified by Rensch. In contrast, in species with low intensity of male-male competition, females tend to be the larger of the sexes.......te. This coastal ecosystem off Oregon seems to be changing in a way we have never seen." Scientific data to document the changing ocean conditions only goes back a few decades at best. But anecdotal evidence from regional fisherma...